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(: Test: K-FilterExpr-50                                 :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:20+01:00                       :)
(: Purpose: A test whose essence is: `deep-equal(("a", "b", "c"), (0, 1, 2, "a", "b", "c")[. instance of xs:string])`. :)
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deep-equal(("a", "b", "c"), (0, 1, 2, "a", "b", "c")[. instance of xs:string])